<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./lib/vue.min.js"></script>
</head>
<body>
    <div id="app">
                               <!-- 属性中带“-”的属性要加引号 -->
         <h1 :style="{color:'red', 'font-weight':200}">这是一个h1</h1>

         <h2 :style = "styleObj1">这是一个h2</h2>

         <h3 :style = "[styleObj1,styleObj2]">这是一个h3</h3>
    </div>
    
    <script>
        var vm = new Vue({
            el:"#app",
            data:{
                styleObj1:{
                    color: 'blue',
                    "font-weight": 200
                },
                styleObj2:{
                    'font-style': 'italic'
                }
            },
            methods: {}
        })
    </script>
</body>
</html>